This paper quantifies the degree of competition among Wal-Mart and different retail channels by exploiting a unique dataset that describes a consumer’s choice of store. Using a discrete choice model, I estimate a consumer’s choice of retailer in the sales market for DVDs among online, mass...

The retail sectors in many industrialized countries have experienced a large increase in concentration and the appearance of so-called "retail deserts", areas of low retail provision. This study addresses the role of international trade in this process. The analysis shows that by raising product...